<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        
        //请实现以下效果
        function add (a, b, c) {
            return a + b + c
        }
        // console.log(add.length);

        const res = add(1, 2, 3) // 6
        const curry = (fn) => {
            let judge = (...args) => {
                if (args.length === fn.length) return fn(...args)
                return (...arg) => judge(...args, ...arg)
            }
            return judge
        }

        let addCurry = curry(add)

        // console.log(addCurry);
        const res2 = addCurry(1)(2)(3) // 6

        console.log(res2);
    </script>
</body>

</html>